Application: plasmashell (5.12.4)

Qt Version: 5.9.4
Frameworks Version: 5.44.0
Operating System: Linux 4.15.17-300.fc27.x86_64 x86_64
Distribution: "Fedora release 27 (Twenty Seven)"

-- Information about the crash:
После удаления нескольких виджетов (Заметка) с одного рабочего стола и переключение на другой рабочий стол. После 5 - 10 сек Plasma крашится, а удаленные виджеты появляются вновь

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe9e722d940 (LWP 1503))]

Thread 9 (Thread 0x7fe9035a1700 (LWP 2185)):
#0  0x00007fe9deb88c6b in poll () at /lib64/libc.so.6
#1  0x00007fe9d6e4fe99 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fe9d6e4ffac in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe9df9dec4b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe9df98c96a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe9df7dd8ca in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fe9092395a7 in KCupsConnection::run() () at /lib64/libkcupslib.so
#7  0x00007fe9df7e1de2 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007fe9ddee250b in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe9deb9316f in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7fe909e7e700 (LWP 2097)):
#0  0x00007fe9deb88c6b in poll () at /lib64/libc.so.6
#1  0x00007fe9d6e4fe99 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fe9d6e4ffac in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe9df9dec4b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe9df98c96a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe9df7dd8ca in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fe9df7e1de2 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007fe9ddee250b in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe9deb9316f in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7fe9241c0700 (LWP 2029)):
#0  0x00007fe9deb88c6b in poll () at /lib64/libc.so.6
#1  0x00007fe9d6e4fe99 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fe9d6e4ffac in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe9df9dec4b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe9df98c96a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe9df7dd8ca in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fe9e45f2116 in QQuickPixmapReader::run() () at /lib64/libQt5Quick.so.5
#7  0x00007fe9df7e1de2 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007fe9ddee250b in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe9deb9316f in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7fe9b9365700 (LWP 1991)):
#0  0x00007fe9ddee882d in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe9e6919604 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5
#2  0x00007fe9e6919649 in  () at /lib64/libQt5Script.so.5
#3  0x00007fe9ddee250b in start_thread () at /lib64/libpthread.so.0
#4  0x00007fe9deb9316f in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fe9bb9ac700 (LWP 1863)):
#0  0x00007fe9deb88c6b in poll () at /lib64/libc.so.6
#1  0x00007fe9d6e4fe99 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fe9d6e4ffac in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe9df9dec4b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe9df98c96a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe9df7dd8ca in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fe9e3a53245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007fe9df7e1de2 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007fe9ddee250b in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe9deb9316f in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fe9c16eb700 (LWP 1817)):
#0  0x00007fe9df9dea59 in socketNotifierSourceCheck(_GSource*) () at /lib64/libQt5Core.so.5
#1  0x00007fe9d6e4f8c9 in g_main_context_check () at /lib64/libglib-2.0.so.0
#2  0x00007fe9d6e4fe40 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007fe9d6e4ffac in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007fe9df9dec4b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe9df98c96a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fe9df7dd8ca in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007fe9e3a53245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007fe9df7e1de2 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007fe9ddee250b in start_thread () at /lib64/libpthread.so.0
#10 0x00007fe9deb9316f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fe9c3130700 (LWP 1664)):
#0  0x00007fe9deb88c6b in poll () at /lib64/libc.so.6
#1  0x00007fe9d6e4fe99 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fe9d6e4ffac in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe9df9dec4b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe9df98c96a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe9df7dd8ca in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fe9dfdf6449 in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5
#7  0x00007fe9df7e1de2 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007fe9ddee250b in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe9deb9316f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fe9c92c7700 (LWP 1541)):
#0  0x00007fe9deb88c6b in poll () at /lib64/libc.so.6
#1  0x00007fe9e5200fe7 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007fe9e5202dda in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007fe9cb015bf9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007fe9df7e1de2 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007fe9ddee250b in start_thread () at /lib64/libpthread.so.0
#6  0x00007fe9deb9316f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fe9e722d940 (LWP 1503)):
[KCrash Handler]
#6  0x00007fe901ef07a0 in  ()
#7  0x00007fe9e390c327 in QV4::PersistentValueStorage::mark(QV4::ExecutionEngine*) () at /lib64/libQt5Qml.so.5
#8  0x00007fe9e381bc2d in QV4::MemoryManager::mark() () at /lib64/libQt5Qml.so.5
#9  0x00007fe9e381d63c in QV4::MemoryManager::runGC() [clone .part.83] () at /lib64/libQt5Qml.so.5
#10 0x00007fe9e381f458 in QV4::MemoryManager::allocString(unsigned long) () at /lib64/libQt5Qml.so.5
#11 0x00007fe9e38fb90a in QV4::ExecutionEngine::newString(QString const&) () at /lib64/libQt5Qml.so.5
#12 0x00007fe9e3985b7f in loadProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData const&) () at /lib64/libQt5Qml.so.5
#13 0x00007fe9e3986a50 in QV4::QObjectWrapper::getQmlProperty(QQmlContextData*, QV4::String*, QV4::QObjectWrapper::RevisionMode, bool*, bool) const () at /lib64/libQt5Qml.so.5
#14 0x00007fe9e3987208 in QV4::QObjectWrapper::getQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, bool*) () at /lib64/libQt5Qml.so.5
#15 0x00007fe9e394a0ab in QV4::QmlContextWrapper::get(QV4::Managed const*, QV4::String*, bool*) () at /lib64/libQt5Qml.so.5
#16 0x00007fe9e390a38d in QV4::ExecutionContext::getProperty(QV4::String*) () at /lib64/libQt5Qml.so.5
#17 0x00007fe9e39978ce in QV4::Runtime::method_getActivationProperty(QV4::ExecutionEngine*, int) () at /lib64/libQt5Qml.so.5
#18 0x00007fe920008ef7 in  ()
#19 0x00007ffd48fd4700 in  ()
#20 0x00007ffd00000000 in  ()
#21 0x0000000000000003 in  ()
#22 0x000055cc4324cb30 in  ()
#23 0x000055cc0000000e in  ()
#24 0x000055cc4694c160 in  ()
#25 0x000055cc430135b0 in  ()
#26 0x00007fe9ba5ad3c0 in  ()
#27 0x00007ffd48fd4ac0 in  ()
#28 0x000055cc43258000 in  ()
#29 0x000055cc469c0500 in  ()
#30 0x00007fe9e390b6ec in QV4::ExecutionContext::simpleCall(QV4::Scope&, QV4::CallData*, QV4::Function*) () at /lib64/libQt5Qml.so.5
#31 0x00007fe9e3a337e9 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*, QV4::Scope&) () at /lib64/libQt5Qml.so.5
#32 0x00007fe9e3a3da86 in QQmlNonbindingBinding::doUpdate(QQmlJavaScriptExpression::DeleteWatcher const&, QFlags<QQmlPropertyData::WriteFlag>, QV4::Scope&) () at /lib64/libQt5Qml.so.5
#33 0x00007fe9e3a3a8c3 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at /lib64/libQt5Qml.so.5
#34 0x00007fe9e3a101b3 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /lib64/libQt5Qml.so.5
#35 0x00007fe9e39ad749 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /lib64/libQt5Qml.so.5
#36 0x00007fe9df9b5e2f in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#37 0x00007fe9e39a9890 in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () at /lib64/libQt5Qml.so.5
#38 0x00007fe9e39c0052 in QQmlPropertyData::writeProperty(QObject*, void*, QFlags<QQmlPropertyData::WriteFlag>) const () at /lib64/libQt5Qml.so.5
#39 0x00007fe9e39bda79 in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyData::WriteFlag>) () at /lib64/libQt5Qml.so.5
#40 0x00007fe9e3a3b904 in QQmlBinding::slowWrite(QQmlPropertyData const&, QQmlPropertyData const&, QV4::Value const&, bool, QFlags<QQmlPropertyData::WriteFlag>) () at /lib64/libQt5Qml.so.5
#41 0x00007fe9e3a3ca68 in GenericBinding<0>::write(QV4::Value const&, bool, QFlags<QQmlPropertyData::WriteFlag>) () at /lib64/libQt5Qml.so.5
#42 0x00007fe9e3a3db1e in QQmlNonbindingBinding::doUpdate(QQmlJavaScriptExpression::DeleteWatcher const&, QFlags<QQmlPropertyData::WriteFlag>, QV4::Scope&) () at /lib64/libQt5Qml.so.5
#43 0x00007fe9e3a3a8c3 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at /lib64/libQt5Qml.so.5
#44 0x00007fe9e3a101b3 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /lib64/libQt5Qml.so.5
#45 0x00007fe9e39ad749 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /lib64/libQt5Qml.so.5
#46 0x00007fe9df9b5e2f in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#47 0x00007fe9e39a435a in QQmlOpenMetaObject::setValue(QByteArray const&, QVariant const&) () at /lib64/libQt5Qml.so.5
#48 0x00007fe9e381a182 in QQmlPropertyMap::insert(QString const&, QVariant const&) () at /lib64/libQt5Qml.so.5
#49 0x00007fe9293301a0 in Plasma::DataSource::dataUpdated(QString const&, QMap<QString, QVariant> const&) () at /usr/lib64/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#50 0x00007fe92934a57d in Plasma::DataSource::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () at /usr/lib64/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#51 0x00007fe9df9b6513 in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#52 0x00007fe9e4d89aed in Plasma::SignalRelay::forceImmediateUpdate() () at /lib64/libKF5Plasma.so.5
#53 0x00007fe9e4d74c54 in Plasma::DataContainer::forceImmediateUpdate() () at /lib64/libKF5Plasma.so.5
#54 0x00007fe912756385 in TimeSource::updateTime() () at /usr/lib64/qt5/plugins/plasma/dataengine/plasma_engine_time.so
#55 0x00007fe912754237 in TimeEngine::updateSourceEvent(QString const&) () at /usr/lib64/qt5/plugins/plasma/dataengine/plasma_engine_time.so
#56 0x00007fe9e4d7760c in Plasma::DataEnginePrivate::internalUpdateSource(Plasma::DataContainer*) () at /lib64/libKF5Plasma.so.5
#57 0x00007fe9df9b6513 in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#58 0x00007fe9e4d721b2 in Plasma::DataContainer::updateRequested(Plasma::DataContainer*) () at /lib64/libKF5Plasma.so.5
#59 0x00007fe9e4d89e78 in Plasma::SignalRelay::timerEvent(QTimerEvent*) () at /lib64/libKF5Plasma.so.5
#60 0x00007fe9df9b721b in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#61 0x00007fe9e0ac092c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#62 0x00007fe9e0ac8174 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#63 0x00007fe9df98dbe7 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#64 0x00007fe9df9ddf5b in QTimerInfoList::activateTimers() () at /lib64/libQt5Core.so.5
#65 0x00007fe9df9de829 in idleTimerSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5
#66 0x00007fe9d6e4fb77 in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#67 0x00007fe9d6e4ff20 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#68 0x00007fe9d6e4ffac in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#69 0x00007fe9df9dec2f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#70 0x00007fe9df98c96a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#71 0x00007fe9df995094 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#72 0x000055cc412d2d5a in main ()

Reported using DrKonqi